#4A51BC#4A51BC

#4A51BC is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.1% C 0.166 H 275.6°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#4A51BC
RGB	rgb(74, 81, 188)
HSL	hsl(236, 46%, 51%)
HSV	hsv(236, 61%, 74%)
CMYK	cmyk(60.6%, 56.9%, 0%, 26.3%)
CIE-LAB	lab(39.53, 29.89, -57.42)
CIE-LCH	lch(39.53, 64.73, 297.50°)
OKLab	oklab(49.06% 0.0162 -0.1649)
OKLCH	oklch(49.06% 0.166 275.6)
XYZ	xyz(14.8406, 10.9704, 48.9026)
Luminance	0.1097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A51BC #BCB54A

analogous

#4A8ABC #4A51BC #7C4ABC

triadic

#4A51BC #BC4A51 #51BC4A

tetradic

#4A51BC #BC4A8A #BCB54A #4ABC7C

square

#4A51BC #BC4A8A #BCB54A #4ABC7C

split-complementary

#4A51BC #BC7C4A #8ABC4A

monochromatic

#262A66 #363C93 #4A51BC #777CCD #A3A7DD

Accessibility & contrast

On white

6.57

#4A51BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#4A51BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A51BC

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A51BC	#FFFFFF	#000000	##FFFFFF
##4A51BC	1.00	6.57	3.19	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4a51bc;
/* rgb */ color: rgb(74, 81, 188);
/* oklch */ color: oklch(49.1% 0.166 275.6);

Tailwind

colors: {
  custom: {
    50: '#8881d1',
    500: '#4a51bc',
    950: '#000000',
  },
}

SCSS

$custom: #4a51bc;
$custom-light: #8881d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4a51bc",
  "rgb": {
    "r": 74,
    "g": 81,
    "b": 188
  },
  "hsl": {
    "h": 236.316,
    "s": 45.968,
    "l": 51.373
  },
  "oklch": {
    "l": 0.49056,
    "c": 0.16569,
    "h": 275.6
  },
  "luminance": 0.10972
}

Semantic roles & 50–950 ramp

primary

#4A51BC

secondary

#CAC798

accent

#CE52D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4A51BC

Body copy rendered with the generated semantic roles for this colour.

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